Lullaby time: Kelly Clarkson is expecting first baby

"American Idol" winner Kelly Clarkson, 31, is moving quickly from one milestone to another. The singer wed talent manager Brandon Blackstock Oct. 20, and on Tuesday, she announced via Twitter and Facebook that she was expecting their first child.

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Kelly Clarkson is expecting her first child.

Fans were quick to congratulate Clarkson on social media.

Clarkson did not reveal when the baby is due.

Blackstock's father is Clarkson's longtime manager, and his stepmother is country legend Reba McEntire, who once toured with Clarkson.

Blackstock has two children, daughter Savannah and son Seth, from his first marriage.